<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>页面发生错误</title>
</head>
<body>
  <div>
    <h1>已有该赛事，换一个！</h1>
  </div>
  <a href="/competition/addEvent" id="addEvent">
    <i class="bi bi-circle"></i><span>返回首页</span>
  </a>

</body>
</html>